diff --git a/tox.ini b/tox.ini
index 23fec024358..612d951e884 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,6 +16,7 @@ install_command = pip install {opts} {packages}
 
 deps = -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
         -r{toxinidir}/test-requirements.txt
+        -r{toxinidir}/requirements.txt
 
 # By default stestr will set concurrency
 # to ncpu, to specify something else use